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PFA, BGT · Edition 03.11l
19
Parameters
4 .3 .1 PFA 700
Default operating mode parameters
Parameter 43 = 1
0.0.
0.3.
00
4
PFA
0×
1×
PFU 760
PFA 700
10e
10a
A
The PFA 700 is programmed at the factory so that volt-
age is applied to all burner control units PFU for the
start-up signal of all burners and the external air valve
control.
Adjusted operating mode parameters
Parameter 43 = 2
PFA 700 with PFU 760, ON/OFF operating mode – ex-
ample of application, see page 5 (PFA 700 with
PFU 760, staged On/Off burner control)
0.0.
0.3.
0.0.
0.3.
00
04
00
04
PFA
0×
1×
2×
3×
PFU
PFA
10e
30e
10a
A
P
Parameter 43 = 3
PFA 700 with PFU 760L, ON/OFF operating mode –
example of application, see page 5 (PFA 700 with
PFU 760, staged On/Off burner control).
0.0.
0.1.
0.3.
0.0.
0.1.
0.3.
00
P0
4
00
P0
4
PFA
0×
1×
2×
3×
4×
5×
PFU
PFA
10e
30e
P
10a
A
Parameter 43 = 4
PFA 700 with PFU 760L, High/Low operating mode –
example of application, see page 6 (PFA 710 with
PFU 780, stage-controlled main burner with alternat-
ing pilot burner).
0.0.
0.1.
0.3.
0.4.
0.3.
0.4.
00
P0
04
A4
04
A4
PFA
0×
1×
2×
3×
4×
5×
PFU
PFA
10e
30e
P
10a
A